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Product comparison · 2 optical disc drives

Freecom DVD RW Recorder LS Pro USB-2 & FireWire vs NEC AD-7630 Black

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  • 14specifications compared
  • 11differ
  • 3identical
  • 31known for one product only

Key differences

  • Internal
    • No
    • Yes
  • Product colour
    • Silver
    • Black
  • Disc loading type
    • Tray
    • Slot
  • Interface
    • USB & FireWire
    • IDE/ATA
  • CD write speed
    • 48x
    • 24x
  • DVD-R Double Layer write speed
    • 8x
    • 4x
  • DVD write speed
    • 16x
    • 8x
  • CD read speed
    • 48x
    • 24x

Side by side

Differences highlightedShow differences only
45 specifications
A

Freecom

DVD RW Recorder LS Pro USB-2 & FireWireView product
B

NEC

AD-7630 BlackView product
Design3 differ
InternalDiffersNoYes
Product colourDiffersSilverBlack
Disc loading typeDiffersTraySlot
Performance1 differ
Optical drive typeDVD-RWDVD-RW
InterfaceDiffersUSB & FireWireIDE/ATA
Drive device, buffer sizeKnown for one2 MB
LightScribeKnown for oneYes
Writing speed3 differ
CD write speedDiffers48x24x
CD rewrite speed16x16x
CD-R write speedKnown for one24x
CD-RW write speedKnown for one16x
DVD+R write speedKnown for one8x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedDiffers8x4x
DVD-R write speedKnown for one8x
DVD-RAM write speedKnown for one5x
DVD-RW write speedKnown for one6x
DVD write speedDiffers16x8x
DVD+R Double Layer write speedKnown for one4x
DVD rewrite speedKnown for one8x
Reading speed2 differ
CD read speedDiffers48x24x
CD-ROM read speedKnown for one24x
DVD-R Double Layer read speedKnown for one4x
DVD-RAM read speedDiffers5x8x
DVD read speedKnown for one8x
DVD-R9 read speedKnown for one8x
DVD-RW read speedKnown for one6x
DVD+RW read speedKnown for one8x
Access timeidentical
DVD drive average random access timeKnown for one190 ms
Access timeKnown for one190 ms
CD-ROM drive average random access timeKnown for one190 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Fixed packetKnown for oneYes
Multi sessionKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Variable packetKnown for oneYes
Weight & dimensions1 differ
WeightDiffers1.2 kg160 g
Other features1 differ
Media types supportedKnown for oneDVD-ROM, DVD-R, DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R DL, DVD-R DL, DVD-RAM, DVD-Video, CD-ROM, CD-ROM XA, CD-Audio, CD-Extra, CD-Text, CD-I Ready, CD-Bridge, Photo-CD, Video-CD, Hybrid-CD
Write methodsKnown for oneDAO (disc at once), SAO (session at once), TAO (track at once) with zero gap, variable or fixed packet, multisession
Dimensions (WxDxH)Differs165 x 250 x 48 mm129 x 128 x 12.7 mm
Number of optical discs1 discs1 discs
Minimum RAMKnown for one256 MB
DVD+R speedKnown for one16x
DVD-R speedKnown for one16x

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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